MRD-509USB·耳麦直线长度90cm，黑色和红色可供自由选择；·可配4P4C电话水晶头、3.5mm电脑插头、USB2.0插头使用；·可选配控音盒，具有极佳的静音效果，调节声音大小功能；·调臂杆可330°范围旋转，按照舒适性和通话清晰度进行调节；·听筒与调节杆间可70°范围调整，调节杆与头条间调节范围为60mm；·麦克风支架采用钢臂透明导声管,完美音质，定位准确，坚固耐用；·高品质的外观和质感，佩戴极其舒适，超轻重量的专业话务耳麦；·提供国际标准的听力保护，时刻呵护您的健康；·耳机头卡可自由伸缩调整，更适合您的佩戴，给您更舒适的通话享受；·让您腾出双手，感受自由沟通，使您通话更加轻松、高效； ·Straight cord is 90cm from headset to QD plug ,balck or red cover is available.·Intercom connecter is option;4P4C crystal plug for telephone,3.5mm stereo plug for computer and USB2.0 plug for USB device.·QD plug is easy to disconnect or connect,ear cushion is easy to change.·The small box with volume control and MIC mute ,you can selecte the small box according to requirement.·The pole can be rotated within 330°,it is easy to adjust the MIC position .·The related position between speaker and headband can be adjusted within 70°,the length of headband can be adjusted with 60mm.
